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44004552013 = 199722035329
BaseRepresentation
bin101000111110111000…
…000010110101001101
311012120202022212010201
4220332320002311031
51210110131131023
632114310133501
73115321343362
oct507670026515
9135522285121
1044004552013
1117731471264
128641051291
1341c3908b76
1421b6388469
15122835abad
hexa3ee02d4d

44004552013 has 4 divisors (see below), whose sum is σ = 44026589340. Its totient is φ = 43982514688.

The previous prime is 44004551977. The next prime is 44004552023. The reversal of 44004552013 is 31025540044.

44004552013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8899658244 + 35104893769 = 94338^2 + 187363^2 .

It is a cyclic number.

It is not a de Polignac number, because 44004552013 - 29 = 44004551501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44004552023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11015668 + ... + 11019661.

It is an arithmetic number, because the mean of its divisors is an integer number (11006647335).

Almost surely, 244004552013 is an apocalyptic number.

It is an amenable number.

44004552013 is a deficient number, since it is larger than the sum of its proper divisors (22037327).

44004552013 is a wasteful number, since it uses less digits than its factorization.

44004552013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22037326.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 44004552013 in words is "forty-four billion, four million, five hundred fifty-two thousand, thirteen".

Divisors: 1 1997 22035329 44004552013